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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2015 Laurent Gomila (laurent@sfml-dev.org)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Network/TcpListener.hpp>
#include <SFML/Network/TcpSocket.hpp>
#include <SFML/Network/SocketImpl.hpp>
#include <SFML/System/Err.hpp>
namespace sf
{
////////////////////////////////////////////////////////////
TcpListener::TcpListener() :
Socket(Tcp)
{
}
////////////////////////////////////////////////////////////
unsigned short TcpListener::getLocalPort() const
{
if (getHandle() != priv::SocketImpl::invalidSocket())
{
// Retrieve informations about the local end of the socket
sockaddr_in address;
priv::SocketImpl::AddrLength size = sizeof(address);
if (getsockname(getHandle(), reinterpret_cast<sockaddr*>(&address), &size) != -1)
{
return ntohs(address.sin_port);
}
}
// We failed to retrieve the port
return 0;
}
////////////////////////////////////////////////////////////
Socket::Status TcpListener::listen(unsigned short port)
{
// Create the internal socket if it doesn't exist
create();
// Bind the socket to the specified port
sockaddr_in address = priv::SocketImpl::createAddress(INADDR_ANY, port);
if (bind(getHandle(), reinterpret_cast<sockaddr*>(&address), sizeof(address)) == -1)
{
// Not likely to happen, but...
err() << "Failed to bind listener socket to port " << port << std::endl;
return Error;
}
// Listen to the bound port
if (::listen(getHandle(), 0) == -1)
{
// Oops, socket is deaf
err() << "Failed to listen to port " << port << std::endl;
return Error;
}
return Done;
}
////////////////////////////////////////////////////////////
void TcpListener::close()
{
// Simply close the socket
Socket::close();
}
////////////////////////////////////////////////////////////
Socket::Status TcpListener::accept(TcpSocket& socket)
{
// Make sure that we're listening
if (getHandle() == priv::SocketImpl::invalidSocket())
{
err() << "Failed to accept a new connection, the socket is not listening" << std::endl;
return Error;
}
// Accept a new connection
sockaddr_in address;
priv::SocketImpl::AddrLength length = sizeof(address);
SocketHandle remote = ::accept(getHandle(), reinterpret_cast<sockaddr*>(&address), &length);
// Check for errors
if (remote == priv::SocketImpl::invalidSocket())
return priv::SocketImpl::getErrorStatus();
// Initialize the new connected socket
socket.close();
socket.create(remote);
return Done;
}
} // namespace sf
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